GK Quiz:0004 General Science for all exams

RK GENERAL KNOWLEDGE ONLINE EXAMAS

This Exams Mainly helps in All Competitive exams.







1.The colour of the dustbins used to collect biodegradable wastes is
A) yellow
B) green
C) red
D) black

green 

2.An example for the biodegradable waste is
A) pieces of glass
B) plastic toys
C) polythene bag
D) egg shell

egg shell

3.The unit to measure sound is
A) nanometer
B) hertz
C) watts
D) decibal

decibal  

4.The hearing limit of human being is
A) 10- 120 dB
B) 100- 150 dB
C) 150 - 300 dB
D) 300 - 500 dB

10- 120 dB 

5.Heat is absorbed, is a reaction of
A) Endothermic Reaction
B) Exothermic Reaction
C) Reversible Reaction
D) Irreversible Reaction

Endothermic Reaction  

6. Heat is liberated is a reaction of,
A) Endothermic Reaction
B) Exothermic Reaction
C) Reversible Reaction
D) Irreversible Reaction

Exothermic Reaction 

7. Ripening of fruit is a
A) desirable change
B) un-desirable change
C) exothermic change
D) endo-thermic change

desirable change 

8.The first Indian women to travel in space was
A) Sunitha Puskar
B) Margrett Alwa
C) Rita Mary
D) Kalpana Chawla

Kalpana Chawla 

9.In space, our body
A) gains weight
B) loses weight
C) no change
D) little change

 loses weight 

10.The reversible change is
A) Butter into idly
B) Ripening of fruits
C) Melting of ice
D) Curdling of milks

Melting of ice

11.Phases of a moon is
A) Periodical change
B) Non-periodical change
C) Slow change
D) Fast chgnge

Periodical change 

12.Land glide is an example for
A) Periodical change
B) Non-periodical change
C) Slow change
D) Fast change

Non-periodical change 

13.Heart beat is a
A) Periodical change
B) Non-periodical change
C) Slow change
D) Fast change

Periodical change 

14.Suitable method of sepe.rating lighter impurities from a mixture is
A) Winnowing
B) Hand picking
C) Vapourisation
D). Seining

Winnowing 

15.In a mixture, solids of different size can be separated by the process of
A) Winnowing
B) Hand picking
C) Vapourisation
D) Seiving

Seiving

16.International system of measurement was adoped in the year
A) 1950
B) 1947
C) 1971
D) 1917

1971 

17.One quintal is equal to
A) 70 kg.
B) 80 kg.
C) 90 kg.
D) 100 kg.

100 kg.

18.One metric ton equal to
A) 100 kg.
B) 500 kg.
C) 900 kg.
D) 1000 kg.

1000 kg.

19.When a magnet is freely suspended it always comes to rest in the direction of
A) east - west
B) south - east
C) north - south
D) north - west

north - south 

20.When two north poles of two bar magnet brought close, there will be a
A) repulsion
B) attraction
C) collision
D) motion

repulsion  



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